128060464 has 40 divisors (see below), whose sum is σ = 284857760. Its totient is φ = 54632448.

The previous prime is 128060453. The next prime is 128060509. The reversal of 128060464 is 464060821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23152 + ... + 28144.

It is an arithmetic number, because the mean of its divisors is an integer number (7121444).

Almost surely, 2^128060464 is an apocalyptic number.

128060464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128060464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142428880).

128060464 is an abundant number, since it is smaller than the sum of its proper divisors (156797296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128060464 is a wasteful number, since it uses less digits than its factorization.

128060464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237 (or 5231 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 128060464 is about 11316.3803400204. The cubic root of 128060464 is about 504.0477614937.

The spelling of 128060464 in words is "one hundred twenty-eight million, sixty thousand, four hundred sixty-four".